. >> and i'm maureen umeh. one was taken from animal testing medical lab and the others from a dog fighting ring. >> reporter: this is undercover video taken by peta in a lab at gates county, north carolina. watch for yourself. peta says the video shows workers mistreating cats, dogs, even rabbits. after this video was released the department of agriculture launched an investigation and the lab released the animals. some of them were brought to the washington animal rescue league. >> this is the case of about 200 animals in north eastern and north carolina and just a horrific medical research lab. >> reporter: saturday they looked over the rescued animals. the first goal is to nurse them back to health. the second is find them good homes. >> what we saw in the video was really nothing short of abuse. really deplorable. probably about the worst rescue disaster situation we've encountered. >> reporter: but that is just one rescue effort underway at the rescue league this weekend. ten pitbull dogs arrived on satur